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Related Concept Videos

What is an Experiment?01:12

What is an Experiment?

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An experiment is a planned activity carried out under controlled conditions. The purpose of an experiment is to investigate the relationship between two variables. When one variable causes change in another, we call the first variable the explanatory or independent variable. The affected variable is called the response or dependent variable. In a randomized experiment, the researcher manipulates values of the explanatory variable and measures the resulting changes in the response variable. The...
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In a beam of charged particles created by a heated cathode, the particles move at different speeds. However, many applications need a beam with uniform particle speeds. An arrangement known as a velocity selector uses electric and magnetic fields to pick particles with a particular speed from the beam.
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When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...
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Randomized Experiments01:13

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The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
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Crossover Experiments01:16

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Crossover experiments, also called the repeated-measurements design, is a study design in which all experimental units are exposed to all treatments in different periods. Crossover experiments are generally used in psychology, the pharmaceutical industry, agriculture, and medicine.
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The Stanford Prison Experiment03:20

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The famous and controversial Stanford Prison Experiment, conducted by social psychologist Philip Zimbardo and his colleagues at Stanford University, demonstrated the power of social roles, social norms, and scripts.
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[Management of systemic lupus erythematosus-Including secondary antiphospholipid syndrome, fertility and pregnancy : S3 guidelines of the German Society for Rheumatology and Clinical Immunology and the German Society for Neurology (DGN), German Society for Internal Medicine (DGIM), German Cardiac Society (DGK), Society for Thrombosis and Hemostasis Research (GTH), German Society for Hematology and Medical Oncology (DGHO), German Society for Pediatric and Adolescent Medicine (DGKJ), Society for Pediatric and Adolescent Rheumatology (GKJR), German Society for Nephrology (DGfN), German Society for Pneumology and Ventilation Medicine (DGP), German Rheumatism League National Association, Lupus Erythematosus Self-help Community, German Dermatological Society (DDG). Version: 1.2].

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Related Experiment Video

Updated: Jan 20, 2026

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[Experiences and results from Rheuma-VOR].

A Schwarting1,2, M Dreher3, G Assmann4

  • 1Schwerpunkt Rheumatologie und klinische Immunologie, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Langenbeckstr. 1, 55131, Mainz, Deutschland. schwarting@uni-mainz.de.

Zeitschrift Fur Rheumatologie
|August 31, 2019
PubMed
Summary
This summary is machine-generated.

The Rheuma-VOR study improves early diagnosis of rheumatoid arthritis, psoriastic arthritis, and axial spondylarthritis through multidisciplinary centers. This network study significantly reduced patient waiting times for rheumatology appointments.

Keywords:
Axial spondylarthritisEarly recognitionHealth services researchPsoriatic arthritisRheumatoid arthritis

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Area of Science:

  • Rheumatology
  • Immunology
  • Public Health

Background:

  • Rheumatoid arthritis, psoriatic arthritis, and axial spondylarthritis are common chronic autoimmune rheumatic diseases.
  • Early diagnosis and treatment initiation are critical for managing these conditions.
  • The Rheuma-VOR study builds upon the ADAPTHERA project, expanding its reach to multiple federal states.

Purpose of the Study:

  • To enhance the early diagnosis of rheumatoid arthritis, psoriatic arthritis, and axial spondylarthritis.
  • To improve patient care quality through multidisciplinary coordinating centers.
  • To assess the impact of a coordinated network approach on diagnosis and specialist capacity.

Main Methods:

  • Prospective network study involving multidisciplinary coordinating centers.
  • Registration of disease-specific questionnaires from primary care providers.
  • Facilitation of appointments with rheumatology specialists for diagnosis.
  • Implementation of risk stratification and coordinated cooperation.

Main Results:

  • 3710 questionnaires registered from 1298 primary care providers.
  • 1958 appointments made with 53 rheumatology specialists.
  • Early diagnosis of one of the three rheumatic diseases achieved in 876 patients.
  • Average waiting time of 42.5 days, below the nationwide average.
  • Rheuma-VOR coordination centers reduced rheumatologist workload by 1281 appointments (34.5%).

Conclusions:

  • The Rheuma-VOR network study effectively improves early diagnosis of key rheumatic diseases.
  • Multidisciplinary coordination centers significantly reduce waiting times and specialist burden.
  • Initiatives like the Rheuma Bus Tour show promising results for patient outreach and screening.